CVE Explorer

CVE-2026-45401

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the validate_url() function in backend/open_webui/retrieval/web/utils.py only validates the initial URL submitted by the caller. The HTTP clients used downstream (sync requests, async aiohttp, langchain's WebBaseLoader) follow HTTP 3xx redirects by default and do not re-validate the redirect target against the private-IP / metadata-IP block list. Any authenticated user can therefore

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d960ac80cd89589a27dddea5569b5432b9bbbf3339f870d39cf1166fc9183f40

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"open-webui","vendor":"open-webui","versions":[{"status":"affected","version":"< 0.9.5"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:0fa7c4c7ff48f211c11c39edb6c5a13238c98a56ea3f5e3bb090de81d28a0de9 · sha256:cf22e5aa1ad791a0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:0fa7c4c7ff48f211c11c39edb6c5a13238c98a56ea3f5e3bb090de81d28a0de9 · sha256:cf22e5aa1ad791a0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:0fa7c4c7ff48f211c11c39edb6c5a13238c98a56ea3f5e3bb090de81d28a0de9 · sha256:cf22e5aa1ad791a0… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-rh5x-h6pp-cjj6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-rh5x-h6pp-cjj6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:0fa7c4c7ff48f211c11c39edb6c5a13238c98a56ea3f5e3bb090de81d28a0de9 · sha256:cf22e5aa1ad791a0… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-rh5x-h6pp-cjj6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:0fa7c4c7ff48f211c11c39edb6c5a13238c98a56ea3f5e3bb090de81d28a0de9 · sha256:cf22e5aa1ad791a0… · /containers/adp/0/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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